AngelSounds Fetal Heartbeat Doppler Specifications

Normal Frequency 2.0MHz
Working Frequency 2.0MHz +/-10%
Ultrasonic Output Intensity Ista <5 mW/cm2
Effective Radiating Area of Transducer 208mm2 +/-15%
FHR Measuring Range 50 - 240BPM
Resolution 1BPM
Accuracy +/- 2BPM
On Board Controls Speaker, 3.5mm Jack Input, Volume Control, ON/OFF Power Button
Power Source One 9V battery